/**
 * Copyright (C) 2013 DaiKit.com - daikit4gxt module (admin@daikit.com)
 *
 *         Project home : http://code.daikit.com/daikit4gxt
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.daikit.daikit4gxt.client.ui.fields;

import com.daikit.daikit4gxt.client.model.labelprovider.MyAsSimpleStringLabelProvider;
import com.daikit.daikit4gxt.client.ui.cell.MyReadOnlyFieldCell;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.sencha.gxt.data.shared.LabelProvider;
import com.sencha.gxt.widget.core.client.form.Field;
import com.sencha.gxt.widget.core.client.form.ValueBaseField;


/**
 * A Read-Only Text field displaying given value as String using the given {@link LabelProvider} (or a
 * {@link MyAsSimpleStringLabelProvider} if no LabelProvider is provided)
 * 
 * @author tcaselli
 * @version $Revision$ Last modifier: $Author$ Last commit: $Date$
 * @param <T>
 */
public class MyReadOnlyField<T> extends ValueBaseField<T>
{

	/**
	 * Create a new {@link MyReadOnlyField} with a {@link MyAsSimpleStringLabelProvider}
	 */
	public MyReadOnlyField()
	{
		this(new MyAsSimpleStringLabelProvider<T>());
	}

	/**
	 * Constructor
	 * 
	 * @param labelProvider
	 *           the {@link LabelProvider}
	 */
	public MyReadOnlyField(final LabelProvider<T> labelProvider)
	{
		super(new MyReadOnlyFieldCell<T>(labelProvider));
	}

	/**
	 * Create a new {@link MyReadOnlyField} with a {@link MyAsSimpleStringLabelProvider}.
	 * 
	 * @param linkedValueProvider
	 *           the field provider for the value
	 */
	public MyReadOnlyField(final Field<T> linkedValueProvider)
	{
		this(linkedValueProvider, new MyAsSimpleStringLabelProvider<T>());
	}

	/**
	 * Constructor
	 * 
	 * @param linkedValueProvider
	 *           the field provider for the value
	 * @param labelProvider
	 *           the {@link LabelProvider}
	 */
	public MyReadOnlyField(final Field<T> linkedValueProvider, final LabelProvider<T> labelProvider)
	{
		super(new MyReadOnlyFieldCell<T>(labelProvider));
		linkedValueProvider.addValueChangeHandler(new ValueChangeHandler<T>()
		{
			@Override
			public void onValueChange(final ValueChangeEvent<T> event)
			{
				setValue(event.getValue());
			}
		});
	}
}
